[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH v2 2/8] xen: infrastructure to have cross-platform video drivers
- introduce a new HAS_VIDEO config variable; - build xen/drivers/video/font* if HAS_VIDEO; - rename vga_puts to video_puts; - rename vga_init to video_init; - rename vga_endboot to video_endboot. Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx> Acked-by: Jan Beulich <jbeulich@xxxxxxxx> --- xen/arch/arm/Rules.mk | 1 + xen/arch/x86/Rules.mk | 1 + xen/drivers/Makefile | 2 +- xen/drivers/char/console.c | 12 ++++++------ xen/drivers/video/Makefile | 10 +++++----- xen/drivers/video/vesa.c | 4 ++-- xen/drivers/video/vga.c | 12 ++++++------ xen/include/asm-x86/config.h | 1 + xen/include/xen/vga.h | 9 +-------- xen/include/xen/video.h | 24 ++++++++++++++++++++++++ 10 files changed, 48 insertions(+), 28 deletions(-) create mode 100644 xen/include/xen/video.h diff --git a/xen/arch/arm/Rules.mk b/xen/arch/arm/Rules.mk index a45c654..fa9f9c1 100644 --- a/xen/arch/arm/Rules.mk +++ b/xen/arch/arm/Rules.mk @@ -7,6 +7,7 @@ # HAS_DEVICE_TREE := y +HAS_VIDEO := y CFLAGS += -fno-builtin -fno-common -Wredundant-decls CFLAGS += -iwithprefix include -Werror -Wno-pointer-arith -pipe diff --git a/xen/arch/x86/Rules.mk b/xen/arch/x86/Rules.mk index 963850f..0a9d68d 100644 --- a/xen/arch/x86/Rules.mk +++ b/xen/arch/x86/Rules.mk @@ -3,6 +3,7 @@ HAS_ACPI := y HAS_VGA := y +HAS_VIDEO := y HAS_CPUFREQ := y HAS_PCI := y HAS_PASSTHROUGH := y diff --git a/xen/drivers/Makefile b/xen/drivers/Makefile index 7239375..9c70f20 100644 --- a/xen/drivers/Makefile +++ b/xen/drivers/Makefile @@ -3,4 +3,4 @@ subdir-$(HAS_CPUFREQ) += cpufreq subdir-$(HAS_PCI) += pci subdir-$(HAS_PASSTHROUGH) += passthrough subdir-$(HAS_ACPI) += acpi -subdir-$(HAS_VGA) += video +subdir-$(HAS_VIDEO) += video diff --git a/xen/drivers/char/console.c b/xen/drivers/char/console.c index ff360fe..1b7a593 100644 --- a/xen/drivers/char/console.c +++ b/xen/drivers/char/console.c @@ -21,7 +21,7 @@ #include <xen/delay.h> #include <xen/guest_access.h> #include <xen/shutdown.h> -#include <xen/vga.h> +#include <xen/video.h> #include <xen/kexec.h> #include <asm/debugger.h> #include <asm/div64.h> @@ -297,7 +297,7 @@ static void dump_console_ring_key(unsigned char key) buf[sofar] = '\0'; sercon_puts(buf); - vga_puts(buf); + video_puts(buf); free_xenheap_pages(buf, order); } @@ -383,7 +383,7 @@ static long guest_console_write(XEN_GUEST_HANDLE_PARAM(char) buffer, int count) spin_lock_irq(&console_lock); sercon_puts(kbuf); - vga_puts(kbuf); + video_puts(kbuf); if ( opt_console_to_ring ) { @@ -464,7 +464,7 @@ static void __putstr(const char *str) ASSERT(spin_is_locked(&console_lock)); sercon_puts(str); - vga_puts(str); + video_puts(str); if ( !console_locks_busted ) { @@ -592,7 +592,7 @@ void __init console_init_preirq(void) if ( *p == ',' ) p++; if ( !strncmp(p, "vga", 3) ) - vga_init(); + video_init(); else if ( !strncmp(p, "none", 4) ) continue; else if ( (sh = serial_parse_handle(p)) >= 0 ) @@ -694,7 +694,7 @@ void __init console_endboot(void) printk("\n"); } - vga_endboot(); + video_endboot(); /* * If user specifies so, we fool the switch routine to redirect input diff --git a/xen/drivers/video/Makefile b/xen/drivers/video/Makefile index 6c3e5b4..2993c39 100644 --- a/xen/drivers/video/Makefile +++ b/xen/drivers/video/Makefile @@ -1,5 +1,5 @@ -obj-y := vga.o -obj-$(CONFIG_X86) += font_8x14.o -obj-$(CONFIG_X86) += font_8x16.o -obj-$(CONFIG_X86) += font_8x8.o -obj-$(CONFIG_X86) += vesa.o +obj-$(HAS_VGA) := vga.o +obj-$(HAS_VIDEO) += font_8x14.o +obj-$(HAS_VIDEO) += font_8x16.o +obj-$(HAS_VIDEO) += font_8x8.o +obj-$(HAS_VGA) += vesa.o diff --git a/xen/drivers/video/vesa.c b/xen/drivers/video/vesa.c index d0a83ff..aaf8b23 100644 --- a/xen/drivers/video/vesa.c +++ b/xen/drivers/video/vesa.c @@ -108,7 +108,7 @@ void __init vesa_init(void) memset(lfb, 0, vram_remap); - vga_puts = vesa_redraw_puts; + video_puts = vesa_redraw_puts; printk(XENLOG_INFO "vesafb: framebuffer at %#x, mapped to 0x%p, " "using %uk, total %uk\n", @@ -193,7 +193,7 @@ void __init vesa_endboot(bool_t keep) if ( keep ) { xpos = 0; - vga_puts = vesa_scroll_puts; + video_puts = vesa_scroll_puts; } else { diff --git a/xen/drivers/video/vga.c b/xen/drivers/video/vga.c index a98bd00..40e5963 100644 --- a/xen/drivers/video/vga.c +++ b/xen/drivers/video/vga.c @@ -21,7 +21,7 @@ static unsigned char *video; static void vga_text_puts(const char *s); static void vga_noop_puts(const char *s) {} -void (*vga_puts)(const char *) = vga_noop_puts; +void (*video_puts)(const char *) = vga_noop_puts; /* * 'vga=<mode-specifier>[,keep]' where <mode-specifier> is one of: @@ -62,7 +62,7 @@ void vesa_endboot(bool_t keep); #define vesa_endboot(x) ((void)0) #endif -void __init vga_init(void) +void __init video_init(void) { char *p; @@ -85,7 +85,7 @@ void __init vga_init(void) columns = vga_console_info.u.text_mode_3.columns; lines = vga_console_info.u.text_mode_3.rows; memset(video, 0, columns * lines * 2); - vga_puts = vga_text_puts; + video_puts = vga_text_puts; break; case XEN_VGATYPE_VESA_LFB: case XEN_VGATYPE_EFI_LFB: @@ -97,16 +97,16 @@ void __init vga_init(void) } } -void __init vga_endboot(void) +void __init video_endboot(void) { - if ( vga_puts == vga_noop_puts ) + if ( video_puts == vga_noop_puts ) return; printk("Xen is %s VGA console.\n", vgacon_keep ? "keeping" : "relinquishing"); if ( !vgacon_keep ) - vga_puts = vga_noop_puts; + video_puts = vga_noop_puts; else { int bus, devfn; diff --git a/xen/include/asm-x86/config.h b/xen/include/asm-x86/config.h index 0c4868c..e8da4f7 100644 --- a/xen/include/asm-x86/config.h +++ b/xen/include/asm-x86/config.h @@ -38,6 +38,7 @@ #define CONFIG_ACPI_CSTATE 1 #define CONFIG_VGA 1 +#define CONFIG_VIDEO 1 #define CONFIG_HOTPLUG 1 #define CONFIG_HOTPLUG_CPU 1 diff --git a/xen/include/xen/vga.h b/xen/include/xen/vga.h index cc690b9..f72b63d 100644 --- a/xen/include/xen/vga.h +++ b/xen/include/xen/vga.h @@ -9,17 +9,10 @@ #ifndef _XEN_VGA_H #define _XEN_VGA_H -#include <public/xen.h> +#include <xen/video.h> #ifdef CONFIG_VGA extern struct xen_vga_console_info vga_console_info; -void vga_init(void); -void vga_endboot(void); -extern void (*vga_puts)(const char *); -#else -#define vga_init() ((void)0) -#define vga_endboot() ((void)0) -#define vga_puts(s) ((void)0) #endif #endif /* _XEN_VGA_H */ diff --git a/xen/include/xen/video.h b/xen/include/xen/video.h new file mode 100644 index 0000000..2e897f9 --- /dev/null +++ b/xen/include/xen/video.h @@ -0,0 +1,24 @@ +/* + * video.h + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive + * for more details. + */ + +#ifndef _XEN_VIDEO_H +#define _XEN_VIDEO_H + +#include <public/xen.h> + +#ifdef CONFIG_VIDEO +void video_init(void); +extern void (*video_puts)(const char *); +void video_endboot(void); +#else +#define video_init() ((void)0) +#define video_puts(s) ((void)0) +#define video_endboot() ((void)0) +#endif + +#endif /* _XEN_VIDEO_H */ -- 1.7.2.5 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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